Home / 30,708.03-42,376.65-17,279.29

Finding the Fourth Proportional to 30,708.03, 42,376.65 and 17,279.29

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Solution

The fourth proportional to 30,708.03, 42,376.65 and 17,279.29 is: 23,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,708.03 : 42,376.65 = 17,279.29 : x
  2. Step 2: Convert to fraction form
    30,708.03/42,376.65 = 17,279.29/x
  3. Step 3: Cross multiply
    30,708.03x = 42,376.65 × 17,279.29
  4. Step 4: Simplify right side
    30,708.03x = 732,238,424.58
  5. Step 5: Solve for x
    x = 732,238,424.58/30,708.03
  6. Step 6: Final answer
    x = 23,845.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.